pharmacrutical materials

1.Quick Detail of Stearic Acid
Chemical name: stearic acid
Also known as: 18 acid; 18 carbon acid; Secretary's Order

2.Molecular formula:CH3(CH2)16 COO, C18H36O2

3.Molecular weight:284

CAS No:57-11-4

4.Physicochemical Properties: pure product is white with a shiny soft small pieces, melting point 69.6 degrees, the boiling point of 376.1 degrees. Relative density 0.9408, refractive index 1.4299, slowly volatile in the 90-100 degrees. Slightly soluble in cold water, soluble in alcohol, acetone, soluble in benzene, chloroform, carbon tetrachloride, carbon disulfide and so on.

5.Uses: Mainly for the production of stearic acid salts: Widely used system for cosmetics, plastic cold-resistant plasticizer, release agent, stabilizer, surfactants, rubber vulcanization accelerator, waterproof agent, polishing agent, metal soap, metal mineral flotation agent, softeners, pharmaceuticals, and other organic chemicals.
In addition, oil-soluble pigments can be used as solvents, crayons transfer slip agent, waxed paper lighting agent, stearic acid glyceride emulsifier, etc..

6.Packing: 25kgs plastic woven bags lined with polythene bags.

7.Delivery time:7-10 days after receiving the advance payment

Product name: Stearic acid

1. Stearic acid is one of several major long-chain fatty acids comprising oils and fats. It is presented in animal fats, oil and some kinds of vegetable oils as wellin the form of glycerides. These oils, after hydrolysis, produce the stearic acid.

2. Stearic acid is a fatty acid widely existing in nature and has the general chemical properties of carboxylic acids. Almost all kinds of fat and oil contain certain amount of stearic acid with the content in the animal fats being relative high.

3. There are two major approaches for industrial production of stearic acid, namely fractionation and compression method. Add decomposition agent to the hydrogenated oil, and then hydrolyze to give the crude fatty acid, further go through washing with water, distillation, bleaching to obtain the finished products with glycerol as the byproduct.

4. Most domestic manufacturers use animal fat for production. Some kinds of production technology will result in the incompletion of the distillation of fatty acid which produce stimulating odor at the time of the plastic processing and high temperatures.


1. Stearic acid is widely used in cosmetics, plastics plasticizers, mold release agents, stabilizers, surfactants, rubber vulcanization accelerator, waterproof agent, polishing agent, metal soap, metal mineral flotation agents, softeners and pharmaceuticals as well as other organic chemicals. Stearic acid can also be used as the solvents of oil-soluble paint, crayons lubrication agent, stencil lighting agent and the emulsifier of stearic acid glyceride.

2. Stearic acid can also be widely used in the manufacturing of PVC pipe, sheet material, profiles and film and is the PVC heat stabilizers with good lubricity and excellent stability against light and heat. In the application of polyvinyl chloride pipe, stearic acid helps prevent the "coke" during the processing and is effective heat stabilizer during PVC film processing while also preventing the discoloration of the finished film discoloration caused by exposure.

3. Stearic acid has become the additive for lubrication, plasticization and stabilization of the filled masterbatch. Stearic acid can effectively improve the coating activating effect of inorganic powder and increase the flow rate of materials.

4. The mono- or multi-alcohol ester of stearic acid can be used as cosmetics, nonionic surfactants and plasticizers. Its alkali metal salt can be dissolved in water and is a major component of soap. Other kinds of salts can be used as waterproofing agents, lubricants, bactericides, coating additives and PVC stabilizers替硝唑

Pharmaceutical Raw Materials 99% CAS 19387-91-8 Tinidazole

Pharmaceutical Raw Materials Bioshik 99% CAS 19387-91-8 Tinidazole As Drug Resistance

1. Quick Details:
Alias: Bioshik
CAS Registry Number: 19387-91-8
Assay: 99%
Appearance: White crystalline power
Molecular Formula C8H13N3O4S
Molecular Weight 247.2715
Related Substances: Pharmaceutical Grade
Storage: Shading, confined preservation
Usage: As drug resistance. Widely used in the prevention and treatment of infection of anaerobic bacteria and protozoan diseases, such as infection of the intestines or vagina. It is also used to treat certain sexually transmitted infections.

2. Product Description:

Tinidazole is an anti-parasitic drug used against protozoan infections. It is widely known throughout Europe and the developing world as a treatment for a variety of amoebic and parasitic infections.

A large body of clinical data exists to support use of tinidazole for infections from amoebae, giardia and trichomonas, just like metronidazole. Tinidazole may be a therapeutic alternative in the setting of metronidazole tolerance.

Tinidazole may also be used to treat a variety of other bacterial infections (e. G., as part of combination therapy for Helicobacter pylori eradication protocols).

3. Applications:

Tinidazole comes as a suspension (liquid) prepared by the pharmacist and a tablet to take by mouth. It is usually taken with food as a single dose or once a day for 3 to 5 days. To help you remember to take tinidazole (if you are to take it for more than one day), take it around the same time every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take tinidazole exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

The most common side effects reported with tinidazole are upset stomach, bitter taste and itchiness. Other side effects which occur are headache, physical fatigue, and dizziness. Anecdotally, people who have taken both metronidazole and tinidazole report toxicity is much the same except the side effects don't last as long with the latter.

Do not drink alcoholwhile taking tinidazole and for at least 3 days after finishing the medication. You may have unpleasant side effects such as fast heartbeats, severe nausea, vomiting, sweating, and warmth or tingling under your skin.

Another medication that is similar to tinidazole has caused cancer in laboratory animals. It is not known whether tinidazole increases the risk of developing cancer in laboratory animals or in humans. Talk to your doctor about the risks and benefits of using this medication.


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